[  767.967589][T14554] netdevsim netdevsim349 eni349np1: renamed from eth0
[  767.978745][T14556] netdevsim netdevsim557 eni557np1: renamed from eth1
[  768.514805][T14542] Could not find device with ifindex 2000 in netnsfd 11
[  768.515365][T14542] Could not find netns with fd: 2000
[  768.515802][T14542] Cannot link a netdevsim to itself
[  768.516319][T14542] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).